From: Pavel Machek <pavel@ucw.cz>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Sakari Ailus <sakari.ailus@iki.fi>,
Jacek Anaszewski <jacek.anaszewski@gmail.com>,
Dan Murphy <dmurphy@ti.com>,
Linux LED Subsystem <linux-leds@vger.kernel.org>,
newbytee@protonmail.com, Stephan Gerhold <stephan@gerhold.net>
Subject: Re: [PATCH 2/2 v3] leds: rt8515: Add Richtek RT8515 LED driver
Date: Wed, 25 Nov 2020 20:35:21 +0100 [thread overview]
Message-ID: <20201125193521.GA9791@amd> (raw)
In-Reply-To: <CACRpkdYvfxWE83O+4OAKx02kJK5XRBCLN0rFPjBYheQ65n4urA@mail.gmail.com>
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Hi!
> Here is a schematic picture from the LG P970 service
> manual where you can see the connections from the RT8515
> to the LED:
> https://dflund.se/~triad/images/rt8515.jpg
>
> On this image you can see that there are two resistors connected
> from the pins "RFS" and "RTS" to ground.
>
> RFS (resistance flash setting?) is 20 kOhm
> RTS (resistance torch setting?) is 39 kOhm
>
> Some sleuthing finds us the RT9387A which we have a datasheet for:
> https://static5.arrow.com/pdfs/2014/7/27/8/21/12/794/rtt_/manual/94download_ds.jspprt9387a.jspprt9387a.pdf
> This apparently works the same way so now we have a
> RT9387A driver as well.
These links and RT9387A would be useful to mention in a comment in a
driver...
Best regards,
Pavel
--
http://www.livejournal.com/~pavelmachek
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next prev parent reply other threads:[~2020-11-25 19:35 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-11 1:14 [PATCH 1/2 v3] dt-bindings: leds: Add DT binding for Richtek RT8515 Linus Walleij
2020-11-11 1:14 ` [PATCH 2/2 v3] leds: rt8515: Add Richtek RT8515 LED driver Linus Walleij
2020-11-11 7:59 ` Pavel Machek
2020-11-11 11:38 ` Sakari Ailus
2020-11-11 16:34 ` Linus Walleij
2020-11-11 16:55 ` Sakari Ailus
2020-11-11 22:07 ` Linus Walleij
2020-11-12 10:24 ` Sakari Ailus
2020-11-25 19:35 ` Pavel Machek [this message]
2020-11-11 11:04 ` [PATCH 1/2 v3] dt-bindings: leds: Add DT binding for Richtek RT8515 Sakari Ailus
2020-11-11 13:44 ` Linus Walleij
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